Label holder



FIG. 1 is a top front and left side perspective view of a label holder, showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image thereof; and

FIG. 3 is a front elevational view thereof, the rear view being a mirror image thereof.

The bottom plan view is a mirror image of the top plan view shown in FIG. 1. 

The ornamental design for a label holder, as shown and described. 